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[" An object is moving to twards a conca...

[" An object is moving to twards a concave mirror "],[" of focal length "24cm" .When it is at a distance "],[" of "60cm" from the mirror its speed is "9cm/s" ,"],[" the speed of its image at that instant is "],[" 1) "4cm/s" towards the mirror "],[" 2) "9cm/s" towards the mirror "],[" 3) "4cm/s" away from the mirror "],[" 4) "9cm/s" away from the mirror "]

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